<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>CSS3选择器</title>
<style>
	input[value]{ background:red; color:white; }
</style>
</head>
<body>
<input type="text">
<input type="text" value="HTML">
<input type="text">
</body>
</html>
